Who said "The silence of the powerful is the loudest lie."?

This quote is attributed to Rodolfo Walsh.

The silence of the powerful is the loudest lie. - Rodolfo Walsh

"The silence of the powerful is the loudest lie."

Rodolfo Walsh Justice

Novelist Journalist Argentine 1927–1977

"Journalism is the first draft of history"

"To know is to act"

"The truth is like a lion; you don't have to defend it. Let it loose; it will defend itself"

"Words are the only bullets that pierce the heart without leaving a mark"

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."